WJ

Walter L. Colterjohn, Jr.

📍 Barrington, IL: #7 of 50 inventorsTop 15%
🗺 Illinois: #289 of 3,813 inventorsTop 8%
Overall (1989): #13,493 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4877991 Optical radiation source 1989-10-31
4868450 Radiation device 1989-09-19